2015-02-26 19:25 GMT+01:00 Sean Greenslade <sean@xxxxxxxxxxxxxxxxxx>: > On Thu, Feb 26, 2015 at 06:41:24PM +0100, Csányi Pál wrote: >> I tried these steps by using Gparted too, but at this step Gparted >> can't read partitions from the during read on >> >> /dev/mmcblk0 >> >> Gparted gives the error message: >> I/O error during read on /dev/mmcblk0 >> >> What can I do to solve this problem? > > Your hardware has issues, and I don't think any software will fix it. My > guess is that the issue is in one of three places: > > 1: Your SD card is damaged / broken. To test this, try it in > a known-working reader. Note that Windows will not understand Linux / > RPi partitions (but should be able to at least see the boot partition). I can mount it's first partition, that with FAT32 type filesystem. I can't only format it's second partition, with ex4 type filesystem. Still does it mean that the uSD card is damaged? > 2. If you're using a microSD to SD adapter, I've seen plenty of those be > flaky and crappy. Try a different adapter, or get a reader that supports > uSD directly. Yes, I'm using a microSD card to SD adapter. I shall try another brand of SD adapter, that I have. > 3. The reader is broken. Since it's the built-in one on the laptop, the > only way to test this is to try a different card / try on a different OS > (live boot USB drives are useful for this). I shall try that too. > In any case, seeing IO errors in dmesg means that there are hardware > problems. Udisk will not in any way solve those, and is not needed for > imaging SD cards for the Pi. If your edit to the polkit config broke > your login, undo it. I did remove the configuration file, and did remove udisks; I have now installed udisks2 only. -- Regards from Pal
